@article{cruz_bezerra_pereira_2021,  title={Esthetic harmonization of front upper teeth using composite resin: a clinical case report},  volume={69},  ISSN={1981-8637},  url={https://doi.org/10.1590/1981-86372021001120190093},  DOI={10.1590/1981-86372021001120190093},  journal={RGO - Revista Gaúcha de Odontologia},  publisher={Faculdade São Leopoldo Mandic},  author={CRUZ, Gabriella Almeida Conceição and BEZERRA, Rebeca Barroso and PEREIRA, Tássia Monique dos Santos},  year={2021},  pages={e2021011} }